Sadly it's back under the pine trees for now, cash flow is like zip he he he,,may have to just sell it to someone that may want it to finish. But it's going to...
original, 1977 the fire engine red/orange color, little rust, 5 speed manual, crappy vega 4 banger engine, (was gonna be the first major change) Still...
Hi Group, Well I finally decided to give it a try. I bought a 6" mirror kit. (2 pyrex + abrasives + red + pitch).I want to make a 6"f/6.I decided to use both...
Jean, This goes to the question that is before the board over on the atmlist as refers to polish surface quality, a thread started by Steve Fejes. The region...
Jean, I should add, that this *center deepening* effect is most pronounced in the course grit. Keep your strokes 1/4 to 1/3 at the maximum, and center over...
Joe, Ah heck, When Ken mentioned Spyder...well, I flashed "Porsche"... 'Course, I guess Fiat had one, and Corvair had a Spyder model, but...the Pontiac......
(excuse my english, I'm french) Excuse my French, I had it in school and did not do well. Years later I was doing computer science research and had to read...
Since you have a thick solid glass tool, you might cut some channels into it to improve the fine grinding. Do this after you have the sagitta approximately...
My spyder was a Fiat "Fix It Again, Tony". It was fun to drive until I got married and my new wife complained about the wind drying her contact lenses. The...
She finds it quite refreshing in contrast to my lack of command of any language at all, save my flailing, obscene, stabbings at English. In any case #220 is...
Hi Jean, here's my 2 cents worth. Take the pencil test and throw it out the window. I tested my early mirrors with it and like you they failed but turned out...
Jean I think the surface is too rough with the 80 grit to do a sharpie test, if you sagitta is close to where you need it after hogging out, you can move on to...
Hi All, I have included a small text file attachment for you all to read especially UK citizens. We have a golden opportunity here to make it so that "light ...
During my recent visit to London (the one on your island), it was immediately obvious that some kinds of astronomy are impossible there. Are there centers of...
Hi Mike, I noticed that this group does not allow attachments so you missed the text file. The Czech Republic's anti light pollution laws are in the letter....
... the text ... letter. As ... Clive... Attachments are known to carry SPAM and Virus's ocassionally. Therefore I elected to NOT allow them. You can post...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the atm_free group. File : /Light...
atm_free@yahoogroups....
Feb 6, 2003 9:44 pm
1533
Hello All, All UK resident astronomers this is the last call to help fight light pollution by writting or emailing DEFRA. Please read the following then ...
... All right John congradulation with your fine mirror, it is the first time that I heard of anyone figuring a mirror on a Mirror-O-Matic and that by a...
From a NASA web page: "For deployment of the landing gear, the uplock hook for each gear is activated by the flight crew initiating a gear-down command. The...
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